While staghorn sumac produces edible red blossoms commonly seen along roadsides, its dangerous cousin poison sumac contains skin-irritating urushiol and grows in wet areas.

The word sumac is derived from the Arabic word summaq, meaning “dark red.” “Culinary grade sumac is produced from the fruits of the sumac tree (Rhus coriaria), also known as Sicilian or tanner’s sumac ...

Poison ivy: The plant usually has three broad, tear-shaped leaves. It can grow as a climbing or low-spreading vine that sprawls through grass. Poison oak: The plant has leaves that resemble oak leaves ...

I AM ALWAYS AMAZED at how many little things I find in nature that I have never seen before. This week the ubiquitous sumac tree presented me with a surprise finding. According to the New England ...

CHARLESTON, S.C. (WCBD) – Whether you are working outside or enjoying some time outdoors, it’s important to know how to spot and protect yourself from poisonous plants. Sap oil – known as urushiol – ...

Sumac is very common in our area, most often found in overgrown fields and forest edges. While considered a weed by many, it ...

Under a silver sky, on a quiet patch of earth by Lake LaSalle, UB freshman Trang Le examines a small tree. The specimen, a staghorn sumac, is petite compared to majestic oaks and willows that rise ...

I know that this may seem like an unimportant subject to bring up during these times of upheaval, but as a longtime horticulturist, (I know) we have to get rid of this terrible scourge on the beauty ...